CF280x Cartridge has started leaving a black smudge on the edge of the page



  • CF280x Cartridge has started leaving a black smudge on the edge of the page and it looks like it is happening every revolution to the drum as they are about 3-4 cm apart all the way down one side of the page.



  • For the issue ,could you try the following instructions ?

    "Sometimes this could happen when print label, the glue from the label may stick on the drum unit.
    or dust got into the drum unit.
    To clean the drum unit:

    1. Position the print sample in front of the cartridge.

    2. Roll the gear on the side by hand looking at the position to find the “problem”

    3. After you located the “problem” that matches the print sample’s position.
      Try wiping the surface of the drum with a cotton swab until the dust or paper powder on the surface comes off.

    If you see a scratch on the unit, please let us know."


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